453
CDUS42 KKEY 200528
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
128 AM EDT SAT SEP 20 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 19 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 96 2023 90 MM 88
MINIMUM MM MM 67 1954 78 MM 78
AVERAGE MM 84 MM 83
PRECIPITATION (IN)
YESTERDAY 0.02 3.56 2001 0.22 -0.20 0.39
MONTH TO DATE 7.08 3.96 3.12 1.50
SINCE SEP 1 7.08 3.96 3.12 1.50
SINCE JAN 1 23.68 27.42 -3.74 36.63
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 19 MM 18
MONTH TO DATE 272 371 -99 416
SINCE SEP 1 272 371 -99 416
SINCE JAN 1 3820 3841 -21 4084
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 68
AVERAGE 78
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1987
2023
MINIMUM TEMPERATURE (F) 78 69 1956
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 712 AM EDT SUNSET 722 PM EDT
SEPTEMBER 21 2025.....SUNRISE 713 AM EDT SUNSET 721 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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